Foldable calculator suitable for 10 digit large display screen office desk calculator with erasable writing desk support for solar energy and batteries suitable for offices and schools (black)

Calculator with Writing Pad: When you need to remember the result of a certain number during calculation, this calculator is equipped with an LCD writing pad that can write down numbers. You can take notes during calculations, phone calls, and meetings to improve learning and work efficiency.
Dual power calculator: uses two button batteries and solar energy, eliminating the need for frequent battery replacement. Dual power drive, long-lasting battery life, and long working time.
Memory lock function and mute function: This compact calculator button is made of high-quality silicone, with a comfortable touch and very quiet sound when pressed, without disturbing others. The "lock" button function can save important notes and prevent accidental deletion.
Multifunctional calculator: can handle addition and subtraction program functions, easily helping you solve problems encountered in calculations
Packaging list: 1 calculator, 1 manual, 1 stylus